20108452033 has 4 divisors (see below), whose sum is σ = 20757111808. Its totient is φ = 19459792260.

The previous prime is 20108452027. The next prime is 20108452061. The reversal of 20108452033 is 33025480102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33025480102 = 2 ⋅16512740051.

It is a cyclic number.

It is not a de Polignac number, because 20108452033 - 2⁹ = 20108451521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20108451992 and 20108452010.

It is not an unprimeable number, because it can be changed into a prime (20108452933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324329841 + ... + 324329902.

It is an arithmetic number, because the mean of its divisors is an integer number (5189277952).

Almost surely, 2^20108452033 is an apocalyptic number.

It is an amenable number.

20108452033 is a deficient number, since it is larger than the sum of its proper divisors (648659775).

20108452033 is an equidigital number, since it uses as much as digits as its factorization.

20108452033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648659774.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 20108452033 in words is "twenty billion, one hundred eight million, four hundred fifty-two thousand, thirty-three".